Palestinian relatives mourn during the funeral of Hani Wahdan, 22, at his family house in Gaza City, Saturday, Dec. 26, 2015. Palestinian Health Ministry spokesman Ashraf al-Kidra says, Wahdan was killed Friday during clashes with Israeli soldiers on the Israeli border with east of Gaza City. less

A cyclist rides in front of a mural with portraits of Rio Negro massacre victims that is posted on a wall of the cemetery in Rabinal, Guatemala. Justice for civil-war abuses has been hard to come by in Guatemala. Many military figures accused of ordering or carrying out mass killings still walk free decades later. less

A cyclist rides in front of a mural with portraits of Rio Negro massacre victims that is posted on a wall of the cemetery in Rabinal, Guatemala. Justice for civil-war abuses has been hard to come by in ... more

Photo: Moises Castillo, Associated Press

A cyclist rides in front of a mural with portraits of Rio Negro... Photo-9166233.122657 - SFGate

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Taboola Gallery Frame Item-85307.122657 - SFGate

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Indian women offer prayers during a ceremony for the victims of the 2004 earthquake and tsunami at Marina Beach in Chennai on december 26, 2015. The earthquake and tsunami which struck the Indian Ocean on December 26, 2004 killed over 230,000 people and devastated coastal communities. less

Indian women offer prayers during a ceremony for the victims of the 2004 earthquake and tsunami at Marina Beach in Chennai on december 26, 2015. The earthquake and tsunami which struck the Indian Ocean on ... more

Photo: Strdel, AFP / Getty Images

Indian women offer prayers during a ceremony for the victims of the... Photo-9166232.122657 - SFGate

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Colombian Salsa dancers rest in the backstage area before the "Salsodromo" parade, which marks the start of the 58th Fair of Cali, in the Colombian city of Cali on December 25, 2015. Dancers from different schools of salsa Cali, danced in the streets while wearing luminous costumes as part of a parade of one and a half kilometers representing the history of the city through salsa music. less

Colombian Salsa dancers rest in the backstage area before the "Salsodromo" parade, which marks the start of the 58th Fair of Cali, in the Colombian city of Cali on December 25, 2015. Dancers from different ... more

Photo: Luis Robayo, AFP / Getty Images

Colombian Salsa dancers rest in the backstage area before the... Photo-9166218.122657 - SFGate

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A boys looks at his cell phone near a statue in Turin, on December 26, 2015.

A boys looks at his cell phone near a statue in Turin, on December 26, 2015.

Photo: Marco Bertorello, AFP / Getty Images

A boys looks at his cell phone near a statue in Turin, on December... Photo-9166231.122657 - SFGate

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Acehnese women attend a mass prayer gathering at Lampuuk village in Banda Aceh on December 26, 2015. Indonesians on December 26 held mass prayers to commemorate the 11th anniversary of the powerful earthquake and tsunami which killed some 220,000 people. On December 26, 2004 a 9.3-magnitude earthquake off Indonesia's western tip generated a series of massive waves that pummelled the coastline of 14 countries as far apart as Indonesia, Thailand, Sri Lanka and Somalia. less

Acehnese women attend a mass prayer gathering at Lampuuk village in Banda Aceh on December 26, 2015. Indonesians on December 26 held mass prayers to commemorate the 11th anniversary of the powerful earthquake ... more

A person runs with her dog in Piazza San Carlo in Turin, on December 26, 2015.

A person runs with her dog in Piazza San Carlo in Turin, on December 26, 2015.

Photo: Marco Bertorello, AFP / Getty Images

A person runs with her dog in Piazza San Carlo in Turin, on... Photo-9166229.122657 - SFGate

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A shadow of a young boy is seen next to a tsunami mural at the Ulhee Lheue mass cemetary where thousands of the 2004 tsunami victims are buried in Banda Aceh on December 26, 2015. Indonesians on December 26 held mass prayers to commemorate the 11th anniversary of the powerful earthquake and tsunami which killed some 220,000 people. On December 26, 2004 a 9.3-magnitude earthquake off Indonesia's western tip generated a series of massive waves that pummelled the coastline of 14 countries as far apart as Indonesia, Thailand, Sri Lanka and Somalia. less

A shadow of a young boy is seen next to a tsunami mural at the Ulhee Lheue mass cemetary where thousands of the 2004 tsunami victims are buried in Banda Aceh on December 26, 2015. Indonesians on December 26 ... more

Photo: Chaideer Mahyuddin, AFP / Getty Images

A shadow of a young boy is seen next to a tsunami mural at the... Photo-9166228.122657 - SFGate

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A Palestinian protester uses a slingshot to throw stones towards Israeli security forces during clashes following the funeral of Mahdiyah Hammad, a Palestinian woman who tried to ram a car into Israeli border guards in a village in the occupied West Bank before being shot dead a day earlier, in the village of Silwad, northwest of Ramallah, on December 26, 2015. less

A Palestinian protester uses a slingshot to throw stones towards Israeli security forces during clashes following the funeral of Mahdiyah Hammad, a Palestinian woman who tried to ram a car into Israeli border ... more

Mourners pray over the body of Mahdiyah Hammad, a 38-year-old woman, who was shot dead by Israeli border guards after she tried to ram them with a car the day before, during her funeral in the occupied West Bank village of Silwad, northeast of Ramallah on December 26, 2015. less

Mourners pray over the body of Mahdiyah Hammad, a 38-year-old woman, who was shot dead by Israeli border guards after she tried to ram them with a car the day before, during her funeral in the occupied West ... more

Photo: Abbas Momani, AFP / Getty Images

Mourners pray over the body of Mahdiyah Hammad, a 38-year-old... Photo-9166225.122657 - SFGate

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Taboola Gallery Frame Item-85307.122657 - SFGate

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To go with weather-Philippines-floods-Christmas,SCENE by Cecil Morella
In this photo taken on December 24, 2015, a child lies in a plastic wash basin along a flooded street in Calumpit Bulacan, north of Manila. Residents in typhoon-hit Philippine villages have little to celebrate this Christmas as towns in the vast, rice-growing central Luzon plains near Manila remain submerged with the government saying some 206,000 people are still either stuck in floods or dependent on government food rations, or both. less

To go with weather-Philippines-floods-Christmas,SCENE by Cecil Morella
In this photo taken on December 24, 2015, a child lies in a plastic wash basin along a flooded street in Calumpit Bulacan, north of ... more

Photo: Noel Celis, AFP / Getty Images

To go with weather-Philippines-floods-Christmas,SCENE by Cecil... Photo-9166224.122657 - SFGate

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Malak (C) mourns during the funeral of her mother Mahdiyah Hammad, a 38-year-old woman, who was shot dead by Israeli border guards after she tried to ram them with a car the day before, in the occupied West Bank village of Silwad, northeast of Ramallah on December 26, 2015. less

Malak (C) mourns during the funeral of her mother Mahdiyah Hammad, a 38-year-old woman, who was shot dead by Israeli border guards after she tried to ram them with a car the day before, in the occupied West ... more

An Emirati falconer moves a lure to attract a falcon in the Liwa Oasis, southwest of Abu Dhabi, on December 26, 2015. Falcons were traditionally used for hunting, however hunting is now prohibited in Abu Dhabi.

An Emirati falconer moves a lure to attract a falcon in the Liwa Oasis, southwest of Abu Dhabi, on December 26, 2015. Falcons were traditionally used for hunting, however hunting is now prohibited in Abu Dhabi.

Photo: Karim Sahib, AFP / Getty Images

An Emirati falconer moves a lure to attract a falcon in the Liwa... Photo-9166221.122657 - SFGate

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An ultra-Orthodox Jewish man gestures the v-sign for victory from behind police tape at the site of a reported attack by a Palestinian assailant on December 26, 2015, near Jerusalem's Old City. "Police officers spotted a man who aroused their suspicions and approached him to check," a police spokeswoman said. "The terrorist pulled out a knife and tried to stab the policeman and was quickly killed by police gunfire." less

An ultra-Orthodox Jewish man gestures the v-sign for victory from behind police tape at the site of a reported attack by a Palestinian assailant on December 26, 2015, near Jerusalem's Old City. "Police officers ... more

Jockeys compete in a camel race during the Mazayin Dhafra Camel Festival in the desert near the city of Madinat Zayed, 150 kms west of Abu Dhabi, on December 25, 2015. The festival, which attracts participants from around the Gulf region, includes a camel beauty contest, a display of UAE handcrafts and other activities aimed at promoting the country's folklore. less

Jockeys compete in a camel race during the Mazayin Dhafra Camel Festival in the desert near the city of Madinat Zayed, 150 kms west of Abu Dhabi, on December 25, 2015. The festival, which attracts participants ... more

Indian workers adjust electricity cables set up temporarily on the banks of the river Ganga in preparation for the annual Hindu religious fair of Magh Mela in Allahabad on December 26, 2015. The Magh Mela is held every year on the banks of Triveni Sangam - the confluence of the three great rivers Ganga, Yamuna and the mystical Saraswati during the Hindu month of Magh which corresponds to mid January - mid February. less

Indian workers adjust electricity cables set up temporarily on the banks of the river Ganga in preparation for the annual Hindu religious fair of Magh Mela in Allahabad on December 26, 2015. The Magh Mela is ... more

Photo: Sanjay Kanojia, AFP / Getty Images

Indian workers adjust electricity cables set up temporarily on the... Photo-9166219.122657 - SFGate